GB1458846A - Semiconductor packages - Google Patents

Semiconductor packages

Info

Publication number
GB1458846A
GB1458846A GB4763874A GB4763874A GB1458846A GB 1458846 A GB1458846 A GB 1458846A GB 4763874 A GB4763874 A GB 4763874A GB 4763874 A GB4763874 A GB 4763874A GB 1458846 A GB1458846 A GB 1458846A
Authority
GB
United Kingdom
Prior art keywords
leads
semi
frame
lead frame
fingers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4763874A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Co
Original Assignee
Raytheon Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raytheon Co filed Critical Raytheon Co
Publication of GB1458846A publication Critical patent/GB1458846A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • H01L23/49503Lead-frames or other flat leads characterised by the die pad
    • H01L23/4951Chip-on-leads or leads-on-chip techniques, i.e. inner lead fingers being used as die pad
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/02Containers; Seals
    • H01L23/04Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls
    • H01L23/053Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls the container being a hollow construction and having an insulating or insulated base as a mounting for the semiconductor body
    • H01L23/057Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls the container being a hollow construction and having an insulating or insulated base as a mounting for the semiconductor body the leads being parallel to the base
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • H01L23/49541Geometry of the lead-frame
    • H01L23/49548Cross section geometry
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01079Gold [Au]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/095Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00 with a principal constituent of the material being a combination of two or more materials provided in the groups H01L2924/013 - H01L2924/0715
    • H01L2924/097Glass-ceramics, e.g. devitrified glass
    • H01L2924/09701Low temperature co-fired ceramic [LTCC]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/161Cap
    • H01L2924/1615Shape
    • H01L2924/16152Cap comprising a cavity for hosting the device, e.g. U-shaped cap

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Geometry (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Wire Bonding (AREA)
GB4763874A 1973-12-03 1974-11-04 Semiconductor packages Expired GB1458846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42100473A 1973-12-03 1973-12-03

Publications (1)

Publication Number Publication Date
GB1458846A true GB1458846A (en) 1976-12-15

Family

ID=23668787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4763874A Expired GB1458846A (en) 1973-12-03 1974-11-04 Semiconductor packages

Country Status (7)

Country Link
JP (2) JPS5087587A (enrdf_load_stackoverflow)
CA (1) CA1032276A (enrdf_load_stackoverflow)
CH (1) CH585968A5 (enrdf_load_stackoverflow)
DE (1) DE2456951A1 (enrdf_load_stackoverflow)
FR (1) FR2253282B1 (enrdf_load_stackoverflow)
GB (1) GB1458846A (enrdf_load_stackoverflow)
SE (1) SE403852B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247988A (en) * 1990-09-12 1992-03-18 Seiko Epson Corp Lead frame for semiconductor device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485262A1 (fr) * 1980-06-19 1981-12-24 Thomson Csf Boitier d'encapsulation resistant a de fortes pressions externes
US4577214A (en) * 1981-05-06 1986-03-18 At&T Bell Laboratories Low-inductance power/ground distribution in a package for a semiconductor chip

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374537A (en) * 1965-03-22 1968-03-26 Philco Ford Corp Method of connecting leads to a semiconductive device
US3436810A (en) * 1967-07-17 1969-04-08 Jade Corp Method of packaging integrated circuits
DE2003423C3 (de) * 1970-01-27 1975-11-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Kontaktieren von Halbleiteranordnungen
US3668770A (en) * 1970-05-25 1972-06-13 Rca Corp Method of connecting semiconductor device to terminals of package
JPS4727491U (enrdf_load_stackoverflow) 1971-04-17 1972-11-28
US3659035A (en) * 1971-04-26 1972-04-25 Rca Corp Semiconductor device package
JPS4836983A (enrdf_load_stackoverflow) 1971-09-10 1973-05-31

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247988A (en) * 1990-09-12 1992-03-18 Seiko Epson Corp Lead frame for semiconductor device
GB2247988B (en) * 1990-09-12 1995-03-29 Seiko Epson Corp Semi-conductor device and method of producing the same

Also Published As

Publication number Publication date
JPS5087587A (enrdf_load_stackoverflow) 1975-07-14
FR2253282A1 (enrdf_load_stackoverflow) 1975-06-27
DE2456951A1 (de) 1975-06-05
SE7415064L (enrdf_load_stackoverflow) 1975-06-04
CH585968A5 (enrdf_load_stackoverflow) 1977-03-15
JPS5860940U (ja) 1983-04-25
SE403852B (sv) 1978-09-04
FR2253282B1 (enrdf_load_stackoverflow) 1980-09-12
CA1032276A (en) 1978-05-30

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19941103